1. B. B. Mandelbrot, The Fractal Geometry of Nature ( Freeman, San Francisco, 1982 ).
2. E. W. Montroll, M. F. Shlesinger, in Studies in Statistical Mechanics, Vol. 11, “From Stochastics to Hydrodynamics,” eds. J. L. Lebowitz and E. W. Montroll ( North-Holland, Amsterdam, 1984 ), pp. 1 – 121.
3. M. F. Shlesinger, J. Klafter, Y. M. Wong, J. Stat. Phys. 27, 499 (1982).
4. M. F. Shlesinger, J. Klafter, Phys. Rev. Lett. 54, 2551 (1985).
5. T. Geisel, J. Nierwetberg, A. Zacherl, Phys. Rev. Lett. 54, 616 (1985).